<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8" />
	<title>nav</title>
	<link rel="stylesheet"  href="/static/css/nav.css"/>
</head>
	<body>
		<div class="header">
			<a href="#" class="logo"><h1>Logo</h1></a>
			<nav class="navbar">

				<ul>
					{% for item_one in one %}
						{% for key,value in item_one.items %}
					<li><a href="#">{{key}}</a>
						<ul class="hide">
							{% for item_two in value %}
								{% for key2,value2 in item_two.items %}
							<li><a href="#">{{key2}}</a>
								<ul class="three">
									{% for item_three in value2 %}
									<li><a href="#">{{item_three}}</a></li>
									{% endfor %}
								</ul>
							</li>
								{% endfor %}
							{% endfor %}
						</ul>
					</li>
						{% endfor %}
					{% endfor %}
				</ul>

			</nav>
		</div>
		<div class="content">
			<h1>网页内容</h1>
		</div>
</body>
</html>